"I am in Men In Black III. It's a cameo role but I open the entire film," she told Graham Norton on his chat show.

"It's pretty cool and I have a bad-ass outfit - it's a lot of leather," she revealed.

Nicole, who is joined by Tom Hanks and Simon Pegg on the episode, admitted she only heard about her new X Factor job from the press.

"I haven't said this yet, but I think it's official that I have been made a judge. I'm kind of finding out [what's happening] along with everyone else. It's kind of crazy to read about it in the newspaper first," she said.